You are about to enter the church. Above the door, taking up the entire semicircular space, is the end of the world.

Christ sits at the center, enormous, his hands raised — one in blessing, one in judgment. To his right, the blessed are being guided upward; their faces are calm, their bodies light. To his left, the damned are being seized, weighed, and dragged. An angel and a devil argue over a set of scales, each trying to tip the balance. In the lower register, the dead rise from their graves: some astonished, some terrified, some still half-asleep. And around the edge of the whole composition, in Latin: "Let this terror frighten those whom earthly error binds, for the horror of these images here in this manner truly depicts what will be."

Gislebertus wanted you to be afraid. Not to destroy you — but to bring you through the door. The tympanum is a threshold, and fear is the force that carries you across it.

Carved in local Autun limestone, a relatively soft stone that allowed for the extraordinary detail of facial expression and fabric fold that distinguishes Gislebertus's work. The tympanum was originally painted — traces of polychrome pigment have been found — which would have made the horror and the glory dramatically more vivid. The central figure of Christ is carved in high relief; the surrounding figures in shallower relief, creating a sense of spatial depth within a compressed vertical space.

The vertical axis of the composition is a theological argument: Christ at the apex, the living world in the middle register, the dead in the lower register — heaven, earth, underworld. The weighing of souls (psychostasia) is borrowed from Egyptian and early Christian traditions. The elect are shown as souls — small, naked, sheltered in folds of angels' robes. The damned are shown as bodies — fleshy, grasping, pulled downward by demonic hands. Spirit ascends; flesh descends.

Autun's cathedral was a major stop on the pilgrimage route to Santiago de Compostela in Spain. Thousands of pilgrims passed through its doors every year, most of them illiterate, most of them frightened of dying badly. The tympanum was a form of mass communication: the story of what awaited, told in stone, in a language anyone could read. It was also a demonstration of episcopal power — the cathedral was rebuilt under Bishop Etienne de Bâgé, who understood that spectacle was authority.

The Autun tympanum became one of the key models for French Gothic portal sculpture in the twelfth and thirteenth centuries. The great cathedral programs at Chartres, Paris, and Amiens all developed the narrative-tympanum tradition that Gislebertus had pushed to its expressive extreme. His influence can be traced in the elongated figures, dramatic gestures, and narrative compression of early Gothic sculpture.